LOCATION.--Lat 40°57'06.8", long 93°15'34.7"
referenced to North American Datum of 1927, in NW 1/4 SW 1/4 NE 1/4
sec.15, T.71 N., R.21 W., Lucas County, IA, Hydrologic Unit 10280201,
on right bank 15 ft downstream from bridge on County Highway S43, 5.0
mi southeast of Chariton, 0.1 mi downstream from Wolf Creek, and 63.2
mi upstream from Iowa-Missouri state line. (map)
DRAINAGE AREA.--182 mi2.
SURFACE-WATER RECORDS
PERIOD OF RECORD.--Occasional low-flow measurements, water years
1958-1960, 1962, 1964; discharge records from October 1965 to current
year.
GAGE.--Water-stage recorder. Datum of gage is 917.90 ft above
National Geodetic Vertical Datum of 1929 (U.S. Army Corps of
Engineers benchmark).